You an A on your term paper, but you quoted a little bit more from others' papers.
A. should receive
B. could have received
C. would receive
D. must have received
网友回答
A. should receive
(答案→)B. could have received
C. would receive
D. must have received
解析：句意：你本来能得A在这次期末考试中，但是你引用的别人的东西太多。选项AC不能表示对过去的推测，故排除；这里用could have done表示过去本能做成某事，而实际没有做到。must have done指过去一定做过某事。根据句意故选B。